Parachasmatopora Morozova & Lavrentjeva, 1981
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https://doi.org/ 10.5252/geodiversitas2022v44a20 |
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publication LSID |
urn:lsid:zoobank.org:pub:5EC74771-0B7B-494D-ADC8-79BECD097A3A |
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https://doi.org/10.5281/zenodo.6723178 |
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https://treatment.plazi.org/id/865C87FD-FFBF-FFFD-3934-FDE34B1CFBA0 |
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Admin |
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scientific name |
Parachasmatopora Morozova & Lavrentjeva, 1981 |
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Genus Parachasmatopora Morozova & Lavrentjeva, 1981 View in CoL
TYPE SPECIES. — Parachasmatopora maennili Morozova & Lavrentjeva, 1981 View in CoL by original designation. Sandbian, Ordovician; Estonia.
OCCURRENCE. — Middle-Upper Ordovician; United States, Estonia, Argentina.
DIAGNOSIS. — Reticulated colonies consisting of anastomosing branches. Autozooecia long, having oblong-rectangular shape in deep tangential section, having weakly developed vestibule, arranged in two-three slightly alternating rows on branches. Nodes on low keels present. Cross-section of branches rounded; their dorsal wall thin, carrying thin longitudinal ribs and microacanthostyles.
COMPARISON
Parachasmatopora Morozova & Lavrentjeva, 1981 differs from Chasmatopora Eichwald, 1855 in having 2-3 rows of autozooecia on branches instead of 4 in Chasmatopora .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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